Lever Stapler

Abstract

A lever stapler includes a plastic cover, a pressure plate, a stapling bracket, a staple cartridge, a staple slot, a staple driver, a staple driving shaft, a staple driving spring, a staple plate, a support stand, a base, and a rotating shaft. The pressure plate includes a lever pressing plate disposed thereon, and a rear end of the lever pressing plate is hinged onto the support stand through a fulcrum shaft, and the lever pressing plate further includes a lever shaft contacted with the top of the pressure plate. The lever stapler of the invention enhances the stapling force to achieve the effects of reducing the required force for the stapling and stapling a thick document easily.

1 . A lever stapler, comprising, a plastic cover, a pressure plate, a stapling bracket, a staple cartridge, a staple slot, a staple driver, a staple driving shaft, a staple driving spring, a staple plate, a support stand, a base, and a rotating shaft, characterized in that said pressure plate includes a lever pressing plate disposed thereon, and a rear end of said lever pressing plate is hinged onto said support stand through a fulcrum shaft, and said lever pressing plate further includes a lever shaft contacted with the top of said pressure plate. 
   
   
       2 . The lever stapler of  claim 1 , further comprising a spring installed between said staple cartridge and said pressure plate. 
   
   
       3 . The lever stapler of  claim 1 , further comprising a base spring installed between said base and the bottom of said staple cartridge. 
   
   
       4 . The lever stapler of  claim 1 , wherein said plastic cover is covered onto the exterior of said lever pressing plate, and rear ends of said pressure plate and said staple cartridge are fixed onto said support stand through said rotating shaft, and a lower end of said support stand is fixed onto said base.